Hi everybody I have found on this website so many tutorials ... GOD ! I like to learn by doing so i draw this "small" network. Yes I know, it's not the best the design but this is for lab purpose. On this network, i'll like to find the following services running - Mail Server (with webmail support) - File Server - PDC + BDC - VoIP This network should be able to handle thousand of users and computers and users should use their credentials to log on any service on any machine anywhere. I know there are many many expert on this board and i just hope you will find some time to participate to this project. At the end i would like to have a UNIQUE HOWTO that can help people solve this kind of problem. Thank in advance for your help.